Boat hull



FIG. 1 is a perspective view of a boat hull according to my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is an enlarged front elevation view thereof; and,

FIG. 7 is an enlarged rear elevation view thereof.

Where used in the drawings, the broken lines show the environmental structure only for the purpose of illustration, and form no parts of the claimed design. 

The ornamental design for a boat hull, as shown and described. 